Home / 6,729.20-9,285.80-3,744.96

Finding the Fourth Proportional to 6,729.20, 9,285.80 and 3,744.96

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Solution

The fourth proportional to 6,729.20, 9,285.80 and 3,744.96 is: 5,167.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,729.20 : 9,285.80 = 3,744.96 : x
  2. Step 2: Convert to fraction form
    6,729.20/9,285.80 = 3,744.96/x
  3. Step 3: Cross multiply
    6,729.20x = 9,285.80 × 3,744.96
  4. Step 4: Simplify right side
    6,729.20x = 34,774,949.57
  5. Step 5: Solve for x
    x = 34,774,949.57/6,729.20
  6. Step 6: Final answer
    x = 5,167.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.